Consolidated Income Statements (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Gross sales	$ 99,867	$ 92,350	$ 312,856	$ 276,913
Commissions, allowances and rebates	565	615	1,901	1,431
Net sales	99,302	91,735	310,955	275,482
Other revenue, net	97	1,244	1,823	1,657
Net revenues	99,399	92,979	312,778	277,139
Cost of goods sold	61,797	57,299	187,720	166,435
Gross profit	37,602	35,680	125,058	110,704
Operating expenses:
Selling, general and administrative expenses	14,950	13,989	42,602	41,818
Research and development expenses	3,193	3,672	10,796	9,030
Total operating expenses	18,143	17,661	53,398	50,848
Operating profit	19,459	18,019	71,660	59,856
Other expenses/(income):
Interest expense, net	366	517	357	1,467
Other (income)/expenses, net	(71)	296	143	126
Income before income taxes	19,164	17,206	71,160	58,263
Provision for income taxes	5,443	5,330	21,784	18,569
Income from continuing operations	13,721	11,876	49,376	39,694
Loss from discontinued operations, net of tax	(4,503)	(129)	(5,082)	(291)
Net income	$ 9,218	$ 11,747	$ 44,294	$ 39,403
Basic earnings/(loss) per share of common stock:
Income from continuing operations (in dollars per share)	$ 0.43	$ 0.38	$ 1.54	$ 1.27
Loss from discontinued operations, net of tax (in dollars per share)	(0.14)	(0.01)	(0.16)	(0.01)
Net income (in dollars per share)	0.29	0.37	1.38	1.26
Diluted earnings/(loss) per share of common stock:
Income from continuing operations (in dollars per share)	0.42	0.36	1.50	1.22
Loss from discontinued operations, net of tax (in dollars per share)	(0.14)	0	(0.15)	0
Net income (in dollars per share)	$ 0.28	$ 0.36	$ 1.35	$ 1.22
Weighted average shares outstanding:
Basic (in shares)	32,149	31,471	32,034	31,339
Effect of dilutive stock based compensation (in shares)	850	1,122	871	1,089
Diluted (in shares)	32,999	32,593	32,905	32,428